158 lines
4.9 KiB
Text
158 lines
4.9 KiB
Text
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2000, 2010 Oracle and/or its affiliates.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
#ifndef __com_sun_star_rendering_CompositeOperation_idl__
|
|
#define __com_sun_star_rendering_CompositeOperation_idl__
|
|
|
|
module com { module sun { module star { module rendering {
|
|
|
|
/** These constants determine how the primitive color is combined with
|
|
the background.<p>
|
|
|
|
When performing this calculations, it is assumed that all color
|
|
values are premultiplied with the corresponding alpha values (if
|
|
no alpha is specified, 1.0 is assumed). Then, the following
|
|
general compositing operation is performed:
|
|
<p>
|
|
C = Ca * Fa + Cb * Fb
|
|
<p>
|
|
where C is the result color, Ca and Cb are the input colors,
|
|
premultiplied with alpha, and Fa and Fb are described for the
|
|
different composite modes (wherein Aa and Ab denote source and
|
|
destination alpha, respectively).<p>
|
|
|
|
@since OOo 2.0.0
|
|
*/
|
|
constants CompositeOperation
|
|
{
|
|
/** Clear the destination.<p>
|
|
|
|
Clear the destination area. The function values are: Fa = Fb =
|
|
0.<p>
|
|
*/
|
|
const byte CLEAR = 0;
|
|
|
|
/** Copy source as-is to the destination.<p>
|
|
|
|
Copy source as-is to the destination. The function values are:
|
|
Fa = 1, Fb = 0.<p>
|
|
*/
|
|
const byte SOURCE = 1;
|
|
|
|
/** Leave the destination as-is.<p>
|
|
|
|
Leave the destination as-is. The function values are: Fa = 0,
|
|
Fb = 1.<p>
|
|
*/
|
|
const byte DESTINATION = 2;
|
|
|
|
/** Copy the source over the destination.<p>
|
|
|
|
Copy the source over the destination. The function values are:
|
|
Fa = 1, Fb = 1-Aa.<p>
|
|
*/
|
|
const byte OVER = 3;
|
|
|
|
/** Copy the source under the destination.<p>
|
|
|
|
Copy the source under the destination. The function values
|
|
are: Fa = 1-Ab, Fb = 1.<p>
|
|
*/
|
|
const byte UNDER = 4;
|
|
|
|
/** Copy the source to the destination.<p>
|
|
|
|
Copy the source to the destination, but limited to where the
|
|
destination is. The function values are: Fa = Ab, Fb = 0.<p>
|
|
*/
|
|
const byte INSIDE = 5;
|
|
|
|
/** Leave the destination as is.<p>
|
|
|
|
Leave the destination as is, but only where the source
|
|
was. The function values are: Fa = 0, Fb = Aa.<p>
|
|
*/
|
|
const byte INSIDE_REVERSE = 6;
|
|
|
|
/** Copy the source to the destination<p>
|
|
|
|
Copy the source to the destination, but limited to where the
|
|
destination is not. The function values are: Fa = 1-Ab, Fb =
|
|
0.<p>
|
|
*/
|
|
const byte OUTSIDE = 7;
|
|
|
|
/** Leave the destination as is.<p>
|
|
|
|
Leave the destination as is, but only where the source has not
|
|
been. The function values are: Fa = 0, Fb = 1-Aa.<p>
|
|
*/
|
|
const byte OUTSIDE_REVERSE = 8;
|
|
|
|
/** Copy the source over the destination<p>
|
|
|
|
Copy the source over the destination, but only where the
|
|
destination is. Keep the destination. The function values are:
|
|
Fa = Ab, Fb = 1-Aa.<p>
|
|
*/
|
|
const byte ATOP = 9;
|
|
|
|
/** Copy the destination over the source.<p>
|
|
|
|
Copy the destination over the source, but only where the
|
|
source is. Keep the source. The function values are: Fa =
|
|
1-Ab, Fb = Aa.<p>
|
|
*/
|
|
const byte ATOP_REVERSE = 10;
|
|
|
|
/** Combine source and destination by exclusive or.<p>
|
|
|
|
Take only the parts where either source or destination, but
|
|
not both visible. The function values are: Fa = 1-Ab, Fb =
|
|
1-Aa.<p>
|
|
*/
|
|
const byte XOR = 11;
|
|
|
|
/** Add source and destination values.<p>
|
|
|
|
Simply add contributions of both source and destination. The
|
|
resulting color values are limited to the permissible color
|
|
range, and clipped to the maximal value, if exceeded. The
|
|
function values are: Fa = 1, Fb = 1.<p>
|
|
*/
|
|
const byte ADD = 12;
|
|
|
|
/** Saturate source and destination.<p>
|
|
|
|
Saturate destination with source values. The function values
|
|
are: Fa = min(1,(1-Ab)/Aa), Fb = 1<p>
|
|
*/
|
|
const byte SATURATE = 13;
|
|
};
|
|
|
|
}; }; }; };
|
|
|
|
#endif
|